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1385518738416 = 243193374508039
BaseRepresentation
bin10100001010010111010…
…110100010101111110000
311220110021011221111010020
4110022113112202233300
5140200020244112131
62540255403003440
7202046305650351
oct24122726425760
94813234844106
101385518738416
1149466023110a
121a4633509580
13a08666a4037
144b0b9257d28
1526091b65996
hex142975a2bf0

1385518738416 has 80 divisors (see below), whose sum is σ = 3778819449600. Its totient is φ = 436233821184.

The previous prime is 1385518738367. The next prime is 1385518738423. The reversal of 1385518738416 is 6148378155831.

It is a self number, because there is not a number n which added to its sum of digits gives 1385518738416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1946676 + ... + 2561363.

It is an arithmetic number, because the mean of its divisors is an integer number (47235243120).

Almost surely, 21385518738416 is an apocalyptic number.

1385518738416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1385518738416 is an abundant number, since it is smaller than the sum of its proper divisors (2393300711184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1385518738416 is a wasteful number, since it uses less digits than its factorization.

1385518738416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508406 (or 4508400 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 60.

The spelling of 1385518738416 in words is "one trillion, three hundred eighty-five billion, five hundred eighteen million, seven hundred thirty-eight thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 337 456 674 912 1011 1348 2022 2696 4044 5392 6403 8088 12806 16176 19209 25612 38418 51224 76836 102448 153672 307344 4508039 9016078 13524117 18032156 27048234 36064312 54096468 72128624 85652741 108192936 171305482 216385872 256958223 342610964 513916446 685221928 1027832892 1370443856 1519209143 2055665784 3038418286 4111331568 4557627429 6076836572 9115254858 12153673144 18230509716 24307346288 28864973717 36461019432 57729947434 72922038864 86594921151 115459894868 173189842302 230919789736 346379684604 461839579472 692759369208 1385518738416